how to create a 24v dc flasher with 8 leds?
I found a few schematics on internet but doesn't work,maybe I wrongly use the components coz can't get them here.antone help???

 

I could post a circuit with a 555 multivibrator being powered by a 12V regulator (its absolute max supply voltage is only 18V) driving a transistor, driving red LEDs all in series, but if you can't get the parts and wrongly connect them, why should I bother?

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Uncle $crooge

 

Probably the easiest way to accomplish the task is to get a flashing LED, connect the 8 leds inseries and in series with the flashing LED, and put a 220 ohm resistor is series with the assembly. The flashing LED will flash all the LED's at the same time.

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The great thing about electronics is unlimited ways to do the job. The only limit is one\'s imagination. I generally think my way is best.
Show me a different way. I have an open mind.

 

Maybe you need to provide more info on stuff like the forward voltage of the led, the component you are using and perhaps your connection of your circuit.